AD7879_DEVID       18 drivers/input/touchscreen/ad7879-i2c.c #define AD7879_DEVID		0x79	/* AD7879-1/AD7889-1 */
AD7879_DEVID       17 drivers/input/touchscreen/ad7879-spi.c #define AD7879_DEVID		0x7A	/* AD7879/AD7889 */